67690372 has 12 divisors (see below), whose sum is σ = 118539036. Its totient is φ = 33822080.

The previous prime is 67690367. The next prime is 67690373. The reversal of 67690372 is 27309676.

It can be written as a sum of positive squares in 2 ways, for example, as 42850116 + 24840256 = 6546^2 + 4984^2 .

It is a super-3 number, since 3×67690372³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (67690373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968 + ... + 11800.

It is an arithmetic number, because the mean of its divisors is an integer number (9878253).

Almost surely, 2^67690372 is an apocalyptic number.

It is an amenable number.

67690372 is a deficient number, since it is larger than the sum of its proper divisors (50848664).

67690372 is a wasteful number, since it uses less digits than its factorization.

67690372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558 (or 11556 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 67690372 is about 8227.4158762032. The cubic root of 67690372 is about 407.5450603188.

The spelling of 67690372 in words is "sixty-seven million, six hundred ninety thousand, three hundred seventy-two".